Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description carries the behavioral burden. It clearly states the returned content categories and implies read-only via 'get', but it does not mention error handling, missing-trade behavior, or return envelope. This is moderate transparency, not a full disclosure.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Is the description appropriately sized, front-loaded, and free of redundancy?

Two sentences with no filler; the data scope is front-loaded and the usage hint follows. Every sentence adds meaningful information.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a single-parameter read tool with no output schema, the description names the trade scope, the data categories included, and the exact entry point after get_trades. Nothing needed for a correct first call is missing, though it is light on error semantics.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The only parameter, tradeId, is fully described in the schema as 'Trade id from get_trades', and the description reinforces this with 'Use after get_trades'. The description adds no extra syntax or format details, so the baseline 3 applies when schema coverage is complete.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Does the description clearly state what the tool does and how it differs from similar tools?

The description opens with 'Everything recorded about one trade' and enumerates fills (execution log), playbook notes, and rule adherence, giving a specific verb and resource. It also distinguishes this from get_trades by positioning it as the per-trade drill-down, so an agent can tell it apart.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Does the description explain when to use this tool, when not to, or what alternatives exist?

The line 'Use after get_trades to dig into a specific trade' provides explicit sequencing and context for when this tool is appropriate. It does not explicitly explain exclusions or alternatives, but the guidance is clear enough for selection among sibling tools.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.